CN102547959B - Method and device for controlling transmission of carrier pilot frequency - Google Patents

Method and device for controlling transmission of carrier pilot frequency Download PDF

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Publication number
CN102547959B
CN102547959B CN201110433038.4A CN201110433038A CN102547959B CN 102547959 B CN102547959 B CN 102547959B CN 201110433038 A CN201110433038 A CN 201110433038A CN 102547959 B CN102547959 B CN 102547959B
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China
Prior art keywords
sector
power amplifier
control command
current business
transmitting
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CN102547959A (en
Inventor
段晓明
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201110433038.4A priority Critical patent/CN102547959B/en
Publication of CN102547959A publication Critical patent/CN102547959A/en
Priority to PCT/CN2012/086428 priority patent/WO2013091496A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/52TPC using AGC [Automatic Gain Control] circuits or amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078Timing of allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information

Abstract

The invention discloses a method and a device for controlling transmission of carrier pilot frequency, which belong to the technical field of communication. The method includes that current business load of three sectors in a cell is obtained; the three sectors comprise a first sector, a second sector and a third sector; whether the current business load of the three sectors is all smaller than a first threshold is judged; on yes judgment, corresponding control commands are sent to a power amplifier of each sector respectively to enable the power amplifier in each sector to send carrier signals in time-division mode or synchronously within preset time. The control commands comprise transmission initial time of pilot frequency of carrier of the power amplifier in each sector, frame transmission duration of the carrier of the power amplifier in each sector and the number of time slots in a frame transmission cycle of the carrier of the power amplifier in each sector.

Description

Control the method and apparatus that carrier pilot sends
Technical field
The present invention relates to communication technical field, particularly a kind of method and apparatus of controlling carrier pilot transmission.
Background technology
At present, the energy-saving and emission-reduction emphasis of mobile operator is the energy consumption that how to reduce wireless network, reduces to greatest extent the expense of OPEX.In existing mobile network, the energy consumption of wireless access part accounts for 75% left and right of whole network total energy consumption conventionally.Wherein, the power consumption of base station main equipment accounts for 55%, and all the other are the power consumption of machine room corollary equipment.And in main equipment, the power consumption of radio-frequency (RF) power amplification accounts for more than 40%, therefore reducing power amplifier power consumption is to reduce the effective way of main equipment power consumption.
Prior art scheme reduces PA (Power Amplifier in order to reach, power amplifier) object of power consumption, propose base station and from sector transmission to community, launch the scheme of conversion, be i.e. the scheme of ODS (Omni-Directional Switch, omnidirectional's conversion) theaomni-directional transmission conversion.The principle of this scheme is: when the traffic load of community reduces to a certain degree, base station changes the mode of operation of three fan antennas, the radio-frequency (RF) power amplification output of two antennas is wherein closed, simultaneously, increase the transmitting power of another power amplifier and be used for encouraging three antennas, thereby realize sector positioning transceiving to the transformation of community omnidirectional transceiver mode, reach the object of saving transmitting power.
In prior art, need between existing base station power amplification and antenna feeder, increase a SSSU (Smart Sector Switch Unit, smart sector converting unit) switching controller, for realizing the mutual conversion between sector positioning transceiving pattern and omnidirectional's transceiver mode.This SSSU switching controller had both increased the loss of power amplifier transmitted power, equipment complexity and maintenance cost have been increased again, and a power amplifier of configuration encourages three antennas simultaneously, the out-put dynamic range of this power amplifier and efficiency are had to very high requirement, therefore not only increase technical difficulty and realize cost, and itself need send relatively high power, this causes significantly reducing reducing the contribution of base station power consumption.
Summary of the invention
In order to solve in prior art, realize cost height and the large problem of base station power consumption, the embodiment of the present invention provides a kind of method and apparatus that carrier pilot sends of controlling.Described technical scheme is as follows:
On the one hand, provide a kind of method that carrier pilot sends of controlling, described method comprises:
Know the current business load of three sectors in community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
Whether the current business load that judges described three sectors is all less than the first threshold value;
If, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector.
On the other hand, provide a kind of device that carrier pilot sends of controlling, described device comprises:
Know module, for knowing the current business load of three sectors, community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
The first judge module, for judging whether the current business load of described three sectors is all less than the first threshold value;
Control module, if the result for described the first judge module judgement is yes, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: do not increasing under the prerequisite of SSSU switching controller and high-power power amplifier, traffic load based on community, to each sector, send corresponding control command respectively, to realize the control to each sector frame length and transmission duration, thereby reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of flow chart of controlling the method for carrier pilot transmission providing in the embodiment of the present invention 1;
Fig. 2 is a kind of flow chart of controlling the method for carrier pilot transmission providing in the embodiment of the present invention 2;
Fig. 3 is a kind of GSM base station system providing in the embodiment of the present invention 4;
Fig. 4 is the another kind of GSM base station system providing in the embodiment of the present invention 4;
Fig. 5 is a kind of device schematic diagram of controlling carrier pilot transmission providing in the embodiment of the present invention 4;
Fig. 6 is a kind of device schematic diagram of controlling carrier pilot transmission providing in the embodiment of the present invention 4.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
In cellular communications network, base station can be located at the center of community, by the conglobate area of coverage of omnidirectional antenna shape, mode that Here it is " center excitation ".Also base station can be located on hexagonal three summits, each community, each base station adopts the directional antenna of three secondary 120 degree fan beams, cover respectively each region of 1/3rd of three neighbor cells, each community is covered jointly by three secondary 120 degree fan anteenas, mode that Here it is " summit excitation ", and the region that every slave antenna covers is exactly a base station section.
The antenna that base station is used is divided into transmitting antenna and reception antenna, and dividing of Qie You omnidirectional and orientation, generally can have following three kinds of configuration modes: send out omnidirectional, receive to mode; Send out omnidirectional, receive oriented approach; Send out directed, receipts oriented approach.Send out omnidirectional and be mainly responsible for omnibearing signal transmission; Receive to being to receive signal from each orientation; The directed meaning is exactly only towards a fixing angle, to carry out sending and receiving.In the present embodiment, the base station of GSM adopts the mode of positioning transceiving.
TS (Timeslot, time slot) refers to the periodicity period of the unique identification of any energy and definition, is exclusively used in the timeslot multiplex information and the control information that send subscriber channel.In E1 channel, a common time slot (TS) is comprised of 8 bit positions, and 32 time slots have formed a frame (F), and 16 frames form a multi-frame (MF).In a frame, TS0 is mainly used in transmitting frame alignment signal (FAS), CRC-4 (cyclic redundancy check (CRC)) and remote alarm indication, TS16 mainly transmits channel associated signalling (CAS), multiframe alignment signal and the indication of multi-frame remote alarm, and TS1 to TS15 and TS17 to TS31 totally 30 time slots transmit the information such as speech or data.TS1 to TS15 and TS17 to TS31 are " payload ", and TS0 and TS16 are " expense ".If adopt band outer common channel signalling (CCS), TS16 has just lost the purposes that transmits signaling, and this time slot also can be used to transmit information signal, and at this moment the payload of frame structure is TS1 to TS31, and expense has only had TS0.
Operator finds in existing network operation, base station main equipment will be far above the time of heavy-duty service in the time of underrun, and for example VDF thinks, the base station peak load every day time is 4 hours, 50% duration of load application is 8 hours, and the Idle time is 12 hours.So, according to the changing condition of traffic load in a day, the emission state (such as reducing average transmit power, reducing launch time etc.) of power amplifier PA is adjusted in base station, its transmitted power and traffic load are matched, can effectively reduce the total transmitted power in a day, reduce the average power consumption of base station, thereby meet operator to the energy-conservation active demand of wireless network.
Embodiment 1
Referring to Fig. 1, a kind of method that carrier pilot sends of controlling is provided in the present embodiment, comprising:
101: the current business load of knowing three sectors in community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
102: whether the current business load that judges described three sectors is all less than the first threshold value;
103: if, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector.
The first sector in the present embodiment, the second sector and the 3rd sector can be all the arbitrary sectors in San Ge sector, community, do not refer in particular to for any one sector, the first sector can be any one of three sectors, the second sector can be any one in three sectors, the 3rd sector can be any one in three sectors, and this present embodiment is not specifically limited.
Alternatively, in the present embodiment, the power amplifier to described each sector sends corresponding control command respectively, comprising:
Power amplifier to described the first sector sends the first control command, power amplifier to described the second sector sends the second control command, power amplifier to described the 3rd sector sends the 3rd control command, the transmitting initial time of described the second control command is the transmitting end time of described the first control command, the transmitting initial time of described the 3rd control command is the transmitting end time of described the second control command, the frame transmitting duration of described the first control command, the frame transmitting duration sum of the frame transmitting duration of described the second control command and described the 3rd control command equals the duration of described Preset Time.
Alternatively, in the present embodiment, describedly to the power amplifier of described each sector, send corresponding control command respectively, make the power amplifier of described each sector send carrier pilot in Preset Time inter-sync, comprising:
Respectively to the power amplifier of described the first sector, the power amplifier of the power amplifier of described the second sector and described the 3rd sector sends the 4th control command, the frame transmitting duration of described the 4th control command equals the duration of described Preset Time.
Further, the method in the present embodiment also comprises:
If the current business of described the first sector load is greater than the first threshold value, judge whether the current business load of described the second sector and the current business load sum of described the 3rd sector are less than the first threshold value;
If, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector timesharing or synchronized transmission carrier pilot in Preset Time respectively.
In the present embodiment, described method also comprises:
If the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is greater than the first threshold value, judge whether the current business load of described the second sector or the 3rd sector is less than the second threshold value;
If so, to described the second sector or the 3rd sector send the 5th control command, the power amplifier of described the second sector or the 3rd sector cuts out free timeslot.
Further, the method in the present embodiment also comprises;
When the current business of arbitrary sector is greater than described the first threshold value in described three sectors, disconnect the control to the power amplifier of this sector, make the power amplifier of described this sector return to normal mode of operation.
In addition, cause the frequent transitions of power amplifier operating state for fear of traffic load sudden change, the judgement that current business load in sector is greater than or less than to threshold value should continue for some time, 1-5 minute for example, after repeat no more.
The beneficial effect of embodiment of the method provided by the invention is: do not increasing under the prerequisite of SSSU switching controller and high-power power amplifier, traffic load based on community, to each sector, send corresponding control command respectively, to realize the control to each sector frame length and transmission duration, thereby reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.
Embodiment 2
The present embodiment provides a kind of method that carrier pilot sends of controlling, and can be applicable to GSM base station.In order to realize the method, base station sendaisle control hardware should possess the fan of control interval synchronization or the time-division sends, sends variable period and sends the variable function of frame length.Referring to Fig. 2, the method in the present embodiment specifically comprises:
201: the traffic load situation of knowing active user's channel of three sectors.
In the present embodiment, add up the traffic load situation of active user's channel of San Ge sector, community, thereby know the traffic load state of active user's channel of these three sectors.
In the present embodiment, three sectors comprise the first sector, the second sector and the 3rd sector, wherein, the first sector, the second sector and the 3rd sector can be all the arbitrary sectors in San Ge sector, community, do not refer in particular to for any one sector, the first sector can be any one of three sectors, and the second sector can be any one in three sectors, the 3rd sector can be any one in three sectors, and this present embodiment is not specifically limited.
202: whether the current business load that judges three sectors is all less than the first threshold value, if so, performs step 205, otherwise execution step 203.
In the present embodiment, the first threshold value can be selected according to the traffic load of community reality, 10% of the practical business load of Ru Jiang community is made as the first threshold value, Huo Jiang community practical business load 15% as the first threshold value, this present embodiment is not specifically limited.Practical business load refers to that community is at the maximum traffic load of busy.
In the present embodiment, if the current business of three sectors load is all less than the first threshold value, three sectors that show this community are available free state all, in order to save power consumption, base station can be converted to VODS (Virtual Omni-Directional Switch, virtual omnidirectional conversion) sending mode.So-called virtual, in the meaning transmitting time Tf of Shi Yige omnidirectional, this Tf is exactly Preset Time, and each sector timesharing sends can be considered has carried out omnidirectional's covering to community equivalence.
203: judge whether the current business load of described the second sector and the current business load sum of described the 3rd sector are less than the first threshold value, if so, perform step 205, otherwise execution step 204.
In the present embodiment, in the current business load of three sectors, if there is the current business load of a sector to be greater than the first threshold value, base station can not be converted to VODS sending mode, still, and alternatively, VODS sends control module can also further judge wherein whether the current business load sum of any two sectors is less than the first threshold value, if so, the PA of these two sectors is controlled, can reach energy-conservation object too.
204: whether the current business load that judges the described second or the 3rd sector is less than the second threshold value; If so, to the described second or the 3rd sector, send the 5th control command, make described second or the power amplifier of the 3rd sector free timeslot is closed, otherwise return to step 201.
In the present embodiment, the second threshold value can be selected according to the traffic load of community reality, and 5% or 8% of the practical business load of Ru Jiang community is made as the second threshold value, and this present embodiment is not specifically limited.In the present embodiment, if only have the current business of a sector to meet in three sectors, be less than the second threshold value, to this sector, send separately control command, make the power amplifier of this sector close the time slot of this sectors free, also can reach energy-conservation object.
In the present embodiment, if the traffic load situation that step 201 continues to check three sectors all not in low traffic load state, is returned in the first sector, the second sector or the 3rd sector.
205: base station is converted to VODS sending mode.
In the present embodiment, if the current business of three sectors load is all less than the first threshold value, base station is converted to VODS sending mode and specifically comprises: the power amplifier to described each sector sends corresponding control command respectively, make power amplifier timesharing in Preset Time of described each sector send carrier signal, the transmitting initial time of the pilot tone of the power amplifier carrier wave of each sector described in described control command comprises, timeslot number in the frame transmitting cycle of the frame transmitting duration of the power amplifier carrier wave of described each sector and the power amplifier carrier wave of described each sector.Wherein concrete, power amplifier to described the first sector sends the first control command, power amplifier to described the second sector sends the second control command, power amplifier to described the 3rd sector sends the 3rd control command, the transmitting initial time of described the second control command is the transmitting end time of described the first control command, the transmitting initial time of described the 3rd control command is the transmitting end time of described the second control command, the frame transmitting duration of described the first control command, the frame transmitting duration sum of the frame transmitting duration of described the second control command and described the 3rd control command equals the duration of described Preset Time.In the present embodiment, timeslot number in the frame transmitting cycle of the frame transmitting duration of the power amplifier carrier wave of transmitting initial time, each sector and the power amplifier carrier wave of each sector is to control according to the loaded-up condition of business, and this present embodiment is not specifically limited.
Particularly, if the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is less than the first threshold value, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector timesharing transmission carrier pilot in Preset Time respectively.
In the present embodiment, the transmitting power of each sector, base station PA can be controlled separately.When the business load of three sectors is all reduced to while meeting certain condition, base station is switchable to VODS sending mode.Now, each sector is not the pilot tone that simultaneously sends carrier wave, but order sends; The duration that each sector sends carrier wave is all less than Tf, this Tf is exactly Preset Time, the transmitting duration of first sector is Tx1, the transmitting duration of the second sector is Tx2, the transmitting duration of the 3rd sector is Tx3, and the transmitting time length after being added equals Tf, i.e. Tf=Tx1+Tx2+Tx3, and take Tf and repeat to send as the cycle.In fact, this can think a kind of form of SFDTX (Sector Frame Discontinuous Transmission, the discontinuous transmission of sector frame).
In the present embodiment, time span Tf can equal a wireless frame period, also can be chosen as the integral multiple of wireless frame period, as equals N * Tf.Herein, the value of N depends on terminal to the ability of system synchronization and protocol requirement, and this present embodiment is not specifically limited.When low load condition, the value of N is 1 or 2, and when night, base station was in Idle state, the value of N can be larger, N=3 for example, and 4 ...
In the present embodiment, for the Idle state without business, each sector can only send cell specific reference signal CRS, and for example carrier pilot " TS0 " time slot, can reduce the transmitting power of base station cell so to greatest extent.If user's access calling detected, send again other business time-slot " TSx ".
In the present embodiment, under low supported V ODS sending mode, each sector sends duration (Tx1, Tx2, Tx3) and can adjust according to the size of this sector customer service load, is also that power that base station sends to sector is that distribution and the traffic load of same community user number is consistent.While there are some free timeslots in Tx, can adopt time slot method for closing energy-conservation.In the present embodiment, time slot has two kinds of operating states, and a kind of is to open, and a kind of is to close.Wherein, when open mode, whether no matter transmit, this time slot is all in running order, consumes electric energy, and in off position, time slot is not in running order, does not consume electric energy.
Said method also can expand to only has the situation of two sectors when low business load,, i.e. the current business load of two sectors is less than the situation of the first threshold value.Now, a sector of base station is operated in normal mode, and two other sector is transformed into VODS mode of operation.
Therefore due to the asynchronous transmission of " TS0 " time slot of VODS pattern, before conversion, there is the user in two or a sector to need search for pilots again, and enter lock-out state.; before if the transmitting initial time of the first sector comes; the transmitting initial time of the second sector and three sectors come successively the first sector after; the user of the second sector and the 3rd sector needs search for pilots again; find the original position of pilot tone; initial time corresponding to the i.e. transmitting initial time of the transmitting initial time of the second sector and the 3rd sector, and difference locking phase, using it as the initial time that receives pilot tone.In addition, the conversion of VODS pattern should be carried out without service connection in the situation that.
In the present embodiment, for Multi-Carrier basestation, if some carrier wave wherein enters low load condition, can first the carrier wave of these low load condition be turn-offed, by the time after sector enters single carrier emission state, then judge and select normal work mode of operation or VODS sending mode according to traffic load.
In the present embodiment, when in VODS pattern, no matter VODS pattern, whether in which kind of state (Idle or no Idle), as long as traffic load surpasses the thresholding of setting, is exited in sector, return to rapidly normal mode of operation.Concrete, when the current business of arbitrary sector is all greater than described the first threshold value in described three sectors, disconnect the control to the power amplifier of this sector, make the power amplifier of described this sector return to normal mode of operation.
Although provided the network energy-saving Application Example of the virtual ODS in GSM base station in the present embodiment, the method can be used for the wireless base station of the descending multiplexed frame of all transmission TDM, to realize the energy-conservation of network level.
The method that the present embodiment provides is also suitable for sending TDM/CDMA based on pilot tone or the wireless base station of the descending multiplexed frame of TDM/OFDM, reaches the object that realizes network energy-saving.
The beneficial effect of embodiment of the method provided by the invention is: do not increasing under the prerequisite of SSSU switching controller and high-power power amplifier, traffic load based on community, to each sector, send corresponding control command respectively, to realize the control to each sector frame length and transmission duration, thereby reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.According to the user distribution situation of community, control respectively the mode of operation of each sector PA, realizing base station power delivers by user distribution, do not increase high-power power amplifier of SSSU switching controller and special configuration and get final product Virtual Realization omnidirectional switching emission function, and reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.
Embodiment 3
A kind of method that carrier pilot sends of controlling is provided in the present embodiment, what in embodiment 2, adopt is the method that VODS timesharing sends, in the present embodiment, do not adopt time-division sending method, and employing method for synchronously sending, that is 3 sectors send continuous or discontinuous frame with same period simultaneously, and the number of timeslots sending in a frame still can change and adjust with traffic load.
In the present embodiment, if the current business of three sectors load is all less than the first threshold value, base station is converted to VODS sending mode and specifically comprises: respectively to the power amplifier of described the first sector, the power amplifier of the power amplifier of described the second sector and described the 3rd sector sends the 4th control command, the frame transmitting duration of described the 4th control command equals the duration of described Preset Time.3 sectors send continuous or discontinuous frame with identical duration simultaneously, and the number of timeslots sending in a frame still can change and adjust with traffic load.Further, in the current business load of three sectors, if there is the current business load of a sector to be greater than the first threshold value, base station can not be converted to VODS sending mode, still, and alternatively, VODS sends control module can also further judge wherein whether the current business load sum of any two sectors is less than the first threshold value, if so, the PA of these two sectors is controlled, can reach energy-conservation object too.Particularly, if the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is less than the first threshold value, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector in Preset Time inter-sync, send carrier pilot respectively.If the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is also greater than the first threshold value, judge whether the current business load of the described second or the 3rd sector is less than the second threshold value; If so, to the described second or the 3rd sector, send the 5th control command, make described second or the power amplifier of the 3rd sector free timeslot is closed.
Implementing procedure in the present embodiment is in the same manner as in Example 2, just different at timesharing sending module and dispensing sending module place, concrete to the sequence control in frame in the same manner as in Example 2, this present embodiment is not repeated.
The beneficial effect of embodiment of the method provided by the invention is: do not increasing under the prerequisite of SSSU switching controller and high-power power amplifier, traffic load based on community, to each sector, send corresponding control command respectively, to realize the control to each sector frame length and transmission duration, thereby reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.According to the user distribution situation of community, control respectively the mode of operation of each sector PA, realizing base station power delivers by user distribution, do not increase high-power power amplifier of SSSU switching controller and special configuration and get final product Virtual Realization omnidirectional switching emission function, and reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.
Embodiment 4
As shown in Figure 3, the present embodiment provides a kind of GSM of realization base station VODS time-division to send the block diagram of system of controlling, wherein there are a dual-mode antenna and RF, PA module in each sector, and system also comprises: PA working state control module, VODS send control module, timesharing sending module, cycle sending module, frame length sending module, clock control module and baseband processing module and external interface.In upper figure, the function of each module of system is as follows:
1) dual-mode antenna: for receiving and send the radiofrequency signal of carry information, common every sector is furnished with an antenna.
2) IRF and PA module: for intermediate frequency Modulation demodulation, mixing and radiofrequency signal amplification etc.
3) PA working state control module: send the instruction of control module for receiving VODS, open or turn-off PA, and detect and adjust the bias voltage of PA, make it be operated in PA efficiency best region.
4) timesharing sending module: for send the instruction of control module according to VODS, control the transmitting initial time of sector PA carrier pilot, the timesharing realizing between sector sends control.
5) cycle sending module: for send the instruction of control module according to VODS, control the frame transmitting cycle of sector PA carrier wave.
6) frame length sending module: for send the instruction of control module according to VODS, the actual timeslot number sending in the control frame cycle.
7) clock control module: being used to definite transmitting time, transmission cycle and sending frame length provides control reference clock.
8) baseband board processing module: for completing baseband signal transmitting-receiving processing capacity, the traffic load situation of statistics active user channel, and result is reported to VODS control module.
9) VODS sends control module: for according to the traffic load situation of active user's channel, determine the mode of operation of each sector PA, and control radio-frequency channel and open or close, send timing controlled parameter, and realize SFDTX function according to VODS transmission flow and control algolithm.
10) external interface: for base station and base station controller transmitting subscriber information and various control signal.
As shown in Figure 4, a kind of existing GSM base station block diagram of system that VODS synchronized transmission is controlled is also provided in the present embodiment, just the timesharing sending module in Fig. 3 is replaced by synchronized transmission module, synchronized transmission module: for send the instruction of control module according to VODS, control the transmitting initial time of sector PA carrier pilot, the synchronized transmission of realizing between sector is controlled.
Referring to Fig. 5, the present embodiment provides a kind of device that carrier pilot sends of controlling, and this device is positioned on base station, comprising: know module 401, the first judge module 402 and control module 403.
Know module 401, for knowing the current business load of three sectors, community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
The first judge module 402, for judging whether the current business load of described three sectors is all less than the first threshold value;
Control module 403, if the result for described the first judge module 402 judgements is yes, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector.
Alternatively, control module 403 specifically for:
Power amplifier to described the first sector sends the first control command, power amplifier to described the second sector sends the second control command, power amplifier to described the 3rd sector sends the 3rd control command, the transmitting initial time of described the second control command is the transmitting end time of described the first control command, the transmitting initial time of described the 3rd control command is the transmitting end time of described the second control command, the frame transmitting duration of described the first control command, the frame transmitting duration sum of the frame transmitting duration of described the second control command and described the 3rd control command equals the duration of described Preset Time.
Now, the function of the control module in the present embodiment 403 can be completed jointly by above-mentioned PA working state control module, timesharing sending module, cycle sending module, frame length sending module.
Alternatively, control module 403 specifically for:
Respectively to the power amplifier of described the first sector, the power amplifier of the power amplifier of described the second sector and described the 3rd sector sends the 4th control command, the frame transmitting duration of described the 4th control command equals the duration of described Preset Time.
Now, the function of the control module in the present embodiment 403 can be completed jointly by above-mentioned PA working state control module, synchronized transmission module, cycle sending module, frame length sending module.
Referring to Fig. 6, alternatively, described in the present embodiment, device also comprises:
The second judge module 404, if be greater than the first threshold value for the current business load of described the first sector, judges whether the current business load of described the second sector and the current business load sum of described the 3rd sector are less than the first threshold value;
If, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector timesharing or synchronized transmission carrier pilot in Preset Time respectively.
Further, in the present embodiment, described the second judge module 404 also for:
If the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is greater than the first threshold value, judge whether the current business load of described the second sector or the 3rd sector is less than the second threshold value;
If so, to described the second sector or the 3rd sector send the 5th control command, the power amplifier of described the second sector or the 3rd sector cuts out free timeslot.
The function of the second judge module in the present embodiment can PA working state control module, timesharing sending module, cycle sending module, frame length sending module jointly complete in embodiment 2, or PA working state control module, synchronized transmission module, cycle sending module, frame length sending module complete jointly in embodiment 3.
Referring to Fig. 6, the device in the present embodiment also comprises;
Disconnect module 405, while being greater than described the first threshold value for the current business when arbitrary sector, described three sectors, disconnect the control to the power amplifier of this sector, make the power amplifier of described this sector return to normal mode of operation.
The function that the present embodiment breaks module can be completed by above-mentioned PA working state control module.
The beneficial effect of device embodiment provided by the invention is: do not increasing under the prerequisite of SSSU switching controller and high-power power amplifier, traffic load based on community, to each sector, send corresponding control command respectively, to realize the control to each sector frame length and transmission duration, thereby reduce equipment complexity and maintenance cost, effectively reduce base-station transmitting-power.
The device that the embodiment of the present invention provides, specifically can belong to same design with embodiment of the method, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. control the method that carrier pilot sends, it is characterized in that, described method comprises:
Know the current business load of three sectors in community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
Whether the current business load that judges described three sectors is all less than the first threshold value;
If, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector;
Describedly to the power amplifier of described each sector, send corresponding control command respectively, comprising:
Power amplifier to described the first sector sends the first control command, power amplifier to described the second sector sends the second control command, power amplifier to described the 3rd sector sends the 3rd control command, the transmitting initial time of described the second control command is the transmitting end time of described the first control command, the transmitting initial time of described the 3rd control command is the transmitting end time of described the second control command, the frame transmitting duration of described the first control command, the frame transmitting duration sum of the frame transmitting duration of described the second control command and described the 3rd control command equals the duration of described Preset Time,
Or,
Describedly to the power amplifier of described each sector, send corresponding control command respectively, make the power amplifier of described each sector send carrier pilot in Preset Time inter-sync, comprising:
Respectively to the power amplifier of described the first sector, the power amplifier of the power amplifier of described the second sector and described the 3rd sector sends the 4th control command, the frame transmitting duration of described the 4th control command equals the duration of described Preset Time, described the 4th control command is for controlling the transmitting initial time of carrier pilot of the power amplifier of each sector, and the synchronized transmission of realizing between sector is controlled.
2. method according to claim 1, is characterized in that, described method also comprises:
If the current business of described the first sector load is greater than the first threshold value, judge whether the current business load of described the second sector and the current business load sum of described the 3rd sector are less than the first threshold value;
If, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector timesharing or synchronized transmission carrier pilot in Preset Time respectively.
3. method according to claim 2, is characterized in that, described method also comprises:
If the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is greater than the first threshold value, judge whether the current business load of described the second sector or the 3rd sector is less than the second threshold value;
If so, to described the second sector or the 3rd sector send the 5th control command, the power amplifier of described the second sector or the 3rd sector cuts out free timeslot.
4. according to the method described in claim 1-3 any one, it is characterized in that, described method also comprises;
When the current business of arbitrary sector is greater than described the first threshold value in described three sectors, disconnect the control to the power amplifier of this sector, make the power amplifier of described this sector return to normal mode of operation.
5. control the device that carrier pilot sends, it is characterized in that, described device comprises:
Know module, for knowing the current business load of three sectors, community; Described three sectors comprise the first sector, the second sector and the 3rd sector;
The first judge module, for judging whether the current business load of described three sectors is all less than the first threshold value;
Control module, if the result for described the first judge module judgement is yes, to the power amplifier of described each sector, send corresponding control command respectively, make power amplifier timesharing or synchronized transmission carrier signal in Preset Time of described each sector, described control command comprises that the transmitting initial time of pilot tone of power amplifier carrier wave of described each sector is, the timeslot number in the frame transmitting cycle of the power amplifier carrier wave of the frame of the power amplifier carrier wave of described each sector transmitting duration and described each sector;
Described control module specifically for:
Power amplifier to described the first sector sends the first control command, power amplifier to described the second sector sends the second control command, power amplifier to described the 3rd sector sends the 3rd control command, the transmitting initial time of described the second control command is the transmitting end time of described the first control command, the transmitting initial time of described the 3rd control command is the transmitting end time of described the second control command, the frame transmitting duration of described the first control command, the frame transmitting duration sum of the frame transmitting duration of described the second control command and described the 3rd control command equals the duration of described Preset Time,
Or,
Described control module specifically for:
Respectively to the power amplifier of described the first sector, the power amplifier of the power amplifier of described the second sector and described the 3rd sector sends the 4th control command, the frame transmitting duration of described the 4th control command equals the duration of described Preset Time, described the 4th control command is for controlling the transmitting initial time of carrier pilot of the power amplifier of each sector, and the synchronized transmission of realizing between sector is controlled.
6. device according to claim 5, is characterized in that, described device also comprises:
The second judge module, if be greater than the first threshold value for the current business load of described the first sector, judges whether the current business load of described the second sector and the current business load sum of described the 3rd sector are less than the first threshold value;
If, to the power amplifier of described the second sector and the power amplifier of described the 3rd sector, send corresponding control command respectively, make the power amplifier of described the second sector and the power amplifier of described the 3rd sector timesharing or synchronized transmission carrier pilot in Preset Time respectively.
7. device according to claim 6, is characterized in that, described the second judge module also for:
If the current business of described the first sector load is greater than the first threshold value, and the current business load sum of the current business of described the second sector load and described the 3rd sector is greater than the first threshold value, judge whether the current business load of described the second sector or the 3rd sector is less than the second threshold value;
If so, to described the second sector or the 3rd sector send the 5th control command, the power amplifier of described the second sector or the 3rd sector cuts out free timeslot.
8. according to the device described in claim 5-7 any one, it is characterized in that, described device also comprises;
Disconnect module, while being all greater than described the first threshold value for the current business when arbitrary sector, described three sectors, disconnect the control to the power amplifier of this sector, make the power amplifier of described sector return to normal mode of operation.
CN201110433038.4A 2011-12-21 2011-12-21 Method and device for controlling transmission of carrier pilot frequency Active CN102547959B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102547959B (en) * 2011-12-21 2014-08-20 华为技术有限公司 Method and device for controlling transmission of carrier pilot frequency
WO2014083927A1 (en) * 2012-11-28 2014-06-05 ソニー株式会社 Communication control device, communication control method, and terminal device
CN114375601B (en) * 2019-09-27 2023-11-28 华为技术有限公司 Signal amplification method and device
CN117223366A (en) * 2021-08-02 2023-12-12 Oppo广东移动通信有限公司 Emission limiting method, device, equipment and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100442884C (en) * 2005-12-16 2008-12-10 上海华为技术有限公司 Method and its system for saving base station power consumption in radio communication network
CN101568122A (en) * 2008-04-25 2009-10-28 中兴通讯股份有限公司 Method for realizing base station electricity saving in time division synchronous code division multiple access (TDS-CDMA) system
EP2117264A2 (en) * 2008-05-06 2009-11-11 Postech Academy-Industry Foundation Service zone switching method based on load considering inter-cell interference in 802.16WIBRO systems
CN101720123A (en) * 2009-12-02 2010-06-02 华为技术有限公司 Method, device and base station for setting power offset of channel
CN101621806B (en) * 2008-07-04 2011-09-21 京信通信系统(中国)有限公司 Intelligent carrier scheduling method applied to GSM network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7489943B2 (en) * 2004-12-29 2009-02-10 Alcatel-Lucent Usa Inc. Scheduling calls in downlink transmissions
KR101332937B1 (en) * 2008-06-17 2013-11-26 엔이씨 유럽 리미티드 Method of subcarrier allocation in an ofdma-based communication network and network
CN102547959B (en) * 2011-12-21 2014-08-20 华为技术有限公司 Method and device for controlling transmission of carrier pilot frequency

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100442884C (en) * 2005-12-16 2008-12-10 上海华为技术有限公司 Method and its system for saving base station power consumption in radio communication network
CN101568122A (en) * 2008-04-25 2009-10-28 中兴通讯股份有限公司 Method for realizing base station electricity saving in time division synchronous code division multiple access (TDS-CDMA) system
EP2117264A2 (en) * 2008-05-06 2009-11-11 Postech Academy-Industry Foundation Service zone switching method based on load considering inter-cell interference in 802.16WIBRO systems
CN101621806B (en) * 2008-07-04 2011-09-21 京信通信系统(中国)有限公司 Intelligent carrier scheduling method applied to GSM network
CN101720123A (en) * 2009-12-02 2010-06-02 华为技术有限公司 Method, device and base station for setting power offset of channel

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